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Diffstat (limited to 'src/opt/dar/darInt.h')
| -rw-r--r-- | src/opt/dar/darInt.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/opt/dar/darInt.h b/src/opt/dar/darInt.h new file mode 100644 index 00000000..08af70df --- /dev/null +++ b/src/opt/dar/darInt.h @@ -0,0 +1,171 @@ +/**CFile**************************************************************** + + FileName [darInt.h] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [DAG-aware AIG rewriting.] + + Synopsis [Internal declarations.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - April 28, 2007.] + + Revision [$Id: darInt.h,v 1.00 2007/04/28 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#ifndef ABC__aig__dar__darInt_h +#define ABC__aig__dar__darInt_h + + +//////////////////////////////////////////////////////////////////////// +/// INCLUDES /// +//////////////////////////////////////////////////////////////////////// + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <time.h> + +//#include "bar.h" +#include "src/misc/vec/vec.h" +#include "src/aig/aig/aig.h" +#include "dar.h" + +//////////////////////////////////////////////////////////////////////// +/// PARAMETERS /// +//////////////////////////////////////////////////////////////////////// + + + +ABC_NAMESPACE_HEADER_START + + +//////////////////////////////////////////////////////////////////////// +/// BASIC TYPES /// +//////////////////////////////////////////////////////////////////////// + +typedef struct Dar_Man_t_ Dar_Man_t; +typedef struct Dar_Cut_t_ Dar_Cut_t; + +// the AIG 4-cut +struct Dar_Cut_t_ // 6 words +{ + unsigned uSign; // cut signature + unsigned uTruth : 16; // the truth table of the cut function + unsigned Value : 11; // the value of the cut + unsigned fBest : 1; // marks the best cut + unsigned fUsed : 1; // marks the cut currently in use + unsigned nLeaves : 3; // the number of leaves + int pLeaves[4]; // the array of leaves +}; + +// the AIG manager +struct Dar_Man_t_ +{ + // input data + Dar_RwrPar_t * pPars; // rewriting parameters + Aig_Man_t * pAig; // AIG manager + // various data members + Aig_MmFixed_t * pMemCuts; // memory manager for cuts + void * pManCnf; // CNF managers + Vec_Ptr_t * vCutNodes; // the nodes with cuts allocated + // current rewriting step + Vec_Ptr_t * vLeavesBest; // the best set of leaves + int OutBest; // the best output (in the library) + int OutNumBest; // the best number of the output + int GainBest; // the best gain + int LevelBest; // the level of node with the best gain + int ClassBest; // the equivalence class of the best replacement + // function statistics + int nTotalSubgs; // the total number of subgraphs tried + int ClassTimes[222];// the runtimes for each class + int ClassGains[222];// the gains for each class + int ClassSubgs[222];// the graphs for each class + int nCutMemUsed; // memory used for cuts + // rewriting statistics + int nNodesInit; // the original number of nodes + int nNodesTried; // the number of nodes attempted + int nCutsAll; // all cut pairs + int nCutsTried; // computed cuts + int nCutsUsed; // used cuts + int nCutsBad; // bad cuts due to absent fanin + int nCutsGood; // good cuts + int nCutsSkipped; // skipped bad cuts + // timing statistics + int timeCuts; + int timeEval; + int timeOther; + int timeTotal; + int time1; + int time2; +}; + +static inline Dar_Cut_t * Dar_ObjCuts( Aig_Obj_t * pObj ) { return (Dar_Cut_t *)pObj->pData; } +static inline void Dar_ObjSetCuts( Aig_Obj_t * pObj, Dar_Cut_t * pCuts ) { assert( !Aig_ObjIsNone(pObj) ); pObj->pData = pCuts; } + +//////////////////////////////////////////////////////////////////////// +/// MACRO DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////// +/// ITERATORS /// +//////////////////////////////////////////////////////////////////////// + +// iterator over all cuts of the node +#define Dar_ObjForEachCutAll( pObj, pCut, i ) \ + for ( (pCut) = Dar_ObjCuts(pObj), i = 0; i < (int)(pObj)->nCuts; i++, pCut++ ) +#define Dar_ObjForEachCut( pObj, pCut, i ) \ + for ( (pCut) = Dar_ObjCuts(pObj), i = 0; i < (int)(pObj)->nCuts; i++, pCut++ ) if ( (pCut)->fUsed==0 ) {} else +// iterator over leaves of the cut +#define Dar_CutForEachLeaf( p, pCut, pLeaf, i ) \ + for ( i = 0; (i < (int)(pCut)->nLeaves) && (((pLeaf) = Aig_ManObj(p, (pCut)->pLeaves[i])), 1); i++ ) + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +/*=== darBalance.c ========================================================*/ +/*=== darCore.c ===========================================================*/ +/*=== darCut.c ============================================================*/ +extern void Dar_ManCutsRestart( Dar_Man_t * p, Aig_Obj_t * pRoot ); +extern void Dar_ManCutsFree( Dar_Man_t * p ); +extern Dar_Cut_t * Dar_ObjPrepareCuts( Dar_Man_t * p, Aig_Obj_t * pObj ); +extern Dar_Cut_t * Dar_ObjComputeCuts_rec( Dar_Man_t * p, Aig_Obj_t * pObj ); +extern Dar_Cut_t * Dar_ObjComputeCuts( Dar_Man_t * p, Aig_Obj_t * pObj ); +extern void Dar_ObjCutPrint( Aig_Man_t * p, Aig_Obj_t * pObj ); +/*=== darData.c ===========================================================*/ +extern Vec_Int_t * Dar_LibReadNodes(); +extern Vec_Int_t * Dar_LibReadOuts(); +extern Vec_Int_t * Dar_LibReadPrios(); +/*=== darLib.c ============================================================*/ +extern void Dar_LibStart(); +extern void Dar_LibStop(); +extern void Dar_LibReturnCanonicals( unsigned * pCanons ); +extern void Dar_LibEval( Dar_Man_t * p, Aig_Obj_t * pRoot, Dar_Cut_t * pCut, int Required, int * pnMffcSize ); +extern Aig_Obj_t * Dar_LibBuildBest( Dar_Man_t * p ); +/*=== darMan.c ============================================================*/ +extern Dar_Man_t * Dar_ManStart( Aig_Man_t * pAig, Dar_RwrPar_t * pPars ); +extern void Dar_ManStop( Dar_Man_t * p ); +extern void Dar_ManPrintStats( Dar_Man_t * p ); +/*=== darPrec.c ============================================================*/ +extern char ** Dar_Permutations( int n ); +extern void Dar_Truth4VarNPN( unsigned short ** puCanons, char ** puPhases, char ** puPerms, unsigned char ** puMap ); + + + +ABC_NAMESPACE_HEADER_END + + + +#endif + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + |